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Finding the Fourth Proportional to 402,327.52, 602,627.36 and 378,773.52

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Solution

The fourth proportional to 402,327.52, 602,627.36 and 378,773.52 is: 567,346.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,327.52 : 602,627.36 = 378,773.52 : x
  2. Step 2: Convert to fraction form
    402,327.52/602,627.36 = 378,773.52/x
  3. Step 3: Cross multiply
    402,327.52x = 602,627.36 × 378,773.52
  4. Step 4: Simplify right side
    402,327.52x = 228,259,286,395.51
  5. Step 5: Solve for x
    x = 228,259,286,395.51/402,327.52
  6. Step 6: Final answer
    x = 567,346.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.